11 Season
116 Episode
History Detectives - Season 7 Episode 3 St. Valentine's Day Massacre; Booth Letter; Cemetery Alarm
Items include a shotgun believed to have been used by a member of Al Capone's gang during the St. Valentine's Day Massacre; a threatening letter to President Andrew Jackson believed to have been written by John Wilkes Boothe's father; and an alarm which is thought to have been an alarm against grave robbers in a cemetery.
- Year: 2014
- Country: United States of America
- Genre: Documentary
- Studio: PBS
- Keyword: investigation
- Director: Bernadette McDaid
- Cast: